1/4-14X7/8 Unslotted #12 Hex Washer Head Self Drilling Screw Full Thread Zinc (Pack Qty 2,000) BC-1414KW12

Used to attach plywood, soft wood or metal to metal. The undersized head is preferred in applications with limited clearance, or when installers want to minimize the number of tools used on a job AISI 1016 - 1024 or equivalent steel Fasteners are heat treated in a carbonitriding or gas-carburizing system at a minimum temperature of 625°F, or in a cyaniding system (with consent of the buyer) at a minimum temperature of 450°F